IMO- Mathematics Olympiad (SOF) Class 9: Questions 115 - 120 of 919
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Question number: 115
» Lines, Angles and Quadrilaterals
Question
In the given figure and, then value of x is________.
Image Defines the Lines BC and DE
Image defines the lines and angle and find the value of x
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 140˚ |
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| b. | 125˚ |
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| c. | 135˚ |
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| d. | 105˚ |
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Question number: 116
» Lines, Angles and Quadrilaterals
Question
How many sides does a regular polygon have, each angle of which is of measure 135˚?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 6 |
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| b. | 9 |
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| c. | 8 |
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| d. | 7 |
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Question number: 117
» Lines, Angles and Quadrilaterals
Question
Two supplementary angles differ by 94˚. Then the angles are ________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 67˚, 113˚ |
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| b. | 120˚, 60˚ |
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| c. | 142˚, 38˚ |
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| d. | 137˚, 43˚ |
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Question number: 118
» Lines, Angles and Quadrilaterals
Question
In the figure below, lines PQ and JK intersect at O. if and, then are equal to ________
Image Defines the Lines PQ and JK Intersect at O
Image defines the two lines intersect and find the value of ∠QOK
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 90˚ |
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| b. | 54˚ |
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| c. | 58˚ |
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| d. | 56˚ |
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Question number: 119
Question
A die is rolled 10,500 times. The frequency of each outcome is shown in the table. What is the empirical probability of the outcomes of multiples of 3?
Define the Die Is Rolled 10,500 Times
Define the die is rolled 10,500 times and find the probability of the outcomes of multiples of 3
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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Question number: 120
» Lines, Angles and Quadrilaterals
Question
In the given figure, and . Then ∠URS is________
Image Defines the PQ and RS Is Two Lines Parallel
Image defines PQ and RS is two lines parallels and find the value of ∠URS
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 140˚ |
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| b. | 160˚ |
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| c. | 190˚ |
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| d. | 120˚ |
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